Brief introduction of Dimethyl phthalate DMP CAS 131-11-3

The abbreviation of dimethyl phthalate is “DMP” with CAS number 131-11-3. The molecular formula is C10H10O4. The molecular weight is 194.19. Colorless transparent oily liquid. Slightly aromatic. The molecular weight is 194. Color (APHA)<30. Acidity (calculated as phthalic acid) <0.01%. The ester content is 98-99%. The relative density is 1.188～1.192 (25℃). The viscosity is 0.0114 Pa·s (25°C), 0.022 Pa·s (20°C). The freezing point is 0°C, the boiling point is 280-285°C (0.1MPa), 146°C (1333.2 Pa), the flash point (open cup method) is 149-157°C, and the ignition point is 154°C. The vapor pressure is 1.33Pa (25°C). The expansion coefficient is 0.00042/℃. The refractive index is 1.5123～1.5142 (25℃). Soluble in acetone, methyl ethyl ketone, cyclohexanone, ethyl acetate, ether, methanol, n-butanol, carbon tetrachloride, toluene and other organic solvents, insoluble in mineral oil, solubility in water 0.45% (25℃), water in The solubility of this product is 1.8% (25℃). The amount of hydrolysis in boiling water for 96h is 0.1067%. This product has strong solvation ability and good compatibility with most resins.

Name: Dimethyl phthalate DMP
CAS: 131-11-3
Molecular Formula: C10H10O4
Molecular Weight: 194.19
HomeCASCAS 131 CAS 131-11-3

Names and Identifiers
Name Dimethyl phthalate
Synonyms Dimethyl 1,2-benzenedicarboxylate
D.M.P
Phthalic acid dimethyl ester
Benzene-1,2-dicarboxylic acid dimethyl ester
1,2-benzenedicarboxylic acid dimethyl ester
DMP
CAS 131-11-3
EINECS 205-011-6
InChI InChI=1/C10H10O4/c1-13-9(11)7-5-3-4-6-8(7)10(12)14-2/h3-6H,1-2H3

Physico-chemical Properties
Molecular Formula C10H10O4
Molar Mass 194.19 g/mol
Density 1.192
Melting Point 2℃
Boling Point 282℃
Flash Point 150℃
Solubility <0.1 g/100 mL at 20℃
Refractive Index 1.514

Risk and Safety
Safety Description S24/25 – Avoid contact with skin and eyes.
UN IDs UN 3082

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CAS 131-11-3, Dimethyl phthalate DMP, C10H10O4
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